• There are some model according the function:
  •      * A12E+ (only weighing)
    * A12E+ – RS ( RS 232 function for connect to PC )
    * A12E+ – TTL ( TTL 2 output function for semi automatic weighing system )
    * A12E+ – SB ( Score board function )
    * A12E+ – PH ( Peak Hold function for testing device )
  • •    High precison A/D conversion with readability 1/ 30000
    •    Special digital filtering technology to strenghten anti – vibration ability
    •    Call and display inner code to replace weight observing and analysis tolerance
    •    Set-up zero tracking range, zero (auto/manual) range and zero speed
    •    Set up digital filter intensity, range, and stable time
    •    Alarm for low battery and auto power off at low battery
    •    AC/DC power supply with built-in rechargeable 6V/4Ah battery

TECHNICAL PARAMETER :

• A/D conversion method : Σ – Δ
• A/D conversion speed : 10 times/sec
• Max. A/D conversion bits : 20
• Display: (A12E+) 6 bits LED, 6 status indications
• Display range : -2000 ~ 150000 (d=10)
• Power supply : AC 187~242V, 49 ~ 51 Hz
  DC  rechargeable battery 6V/4Ah
• Input signal range : -10mV ~ 15mV
• Input sensitivity : ≥ 1 μV/e
• Load cell excitation : DC 5V; I ≤150mA
• Max.connection number of load cell : 4 at 350 ohm
• Load cell connection mode : 4 wire
• Max. external counts : 30000
• Max.internal resolution : 300000
• Division : 1/2/5/10/20/50 optional
• Optional score board interface sending by 20mA current loop with baud rate 600 , transmission distance : ≤ 2000 meters